12309754692691 has 2 divisors, whose sum is σ = 12309754692692. Its totient is φ = 12309754692690.

The previous prime is 12309754692649. The next prime is 12309754692709. The reversal of 12309754692691 is 19629645790321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12309754692691 - 2²³ = 12309746304083 is a prime.

It is not a weakly prime, because it can be changed into another prime (12309754692491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6154877346345 + 6154877346346.

It is an arithmetic number, because the mean of its divisors is an integer number (6154877346346).

Almost surely, 2^{12309754692691} is an apocalyptic number.

12309754692691 is a deficient number, since it is larger than the sum of its proper divisors (1).

12309754692691 is an equidigital number, since it uses as much as digits as its factorization.

12309754692691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44089920, while the sum is 64.

The spelling of 12309754692691 in words is "twelve trillion, three hundred nine billion, seven hundred fifty-four million, six hundred ninety-two thousand, six hundred ninety-one".